How did Thomas Morstead end up on field for extra-point attempt vs. Vikings?

New Orleans Saints cornerback Marshon Lattimore (23) and wide receiver Willie Snead (83) leave the field after the playoff game between the New Orleans Saints and Minnesota Vikings at U.S. Bank Stadium in Minneapolis on Sunday, January 14, 2018. (Photo by Michael DeMocker, NOLA.com | The Times-Picayune)The need for the New Orleans Saints to return to the field for the end-of-game extra-point attempt Sunday has actually proven to be fruitful thanks to Thomas Morstead and some charitable Minnesota Vikings fans.

But, in the moment, it was upsetting for some Saints to have to leave the locker room and go back to the field where they'd just witnessed Stefon Diggs' miraculous game-winning…